C203 I'm sorry

At that moment, a melodious ringtone came from his pocket.

He took out his phone from his pocket and looked at it, and realised that the number was Zhang Xin's mobile phone.

Suddenly, he hesitated, "Should I answer it or not?"

After a moment of hesitation, he finally accepted it.

"Zhang Ming, where are you guys?"

When Zhang Xin called Zhang Ming